Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 21.03.2009
 
 beginning time = 1223 min.(UT), 20:23 UT
 Xbegin =         -5.744 nT
 time of max =    1249 min.(UT), 20:49 UT
 Xmax =            6.918 nT
 Y at Xmax =      -2.472 nT
 endtime =        1295 min.(UT), 21:35 UT
 Xend =           -6.244 nT
 amplitude =      12.662 nT
 base duration time = 72 min.
 2sigma =          3.981 nT
 duration at 2sigma = 15 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0